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// Copyright (c) 2012 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef CHROMEOS_NETWORK_NETWORK_STATE_HANDLER_OBSERVER_H_
#define CHROMEOS_NETWORK_NETWORK_STATE_HANDLER_OBSERVER_H_
#include <string>
#include <vector>
#include "base/basictypes.h"
#include "chromeos/chromeos_export.h"
namespace chromeos {
class DeviceState;
class NetworkState;
// Observer class for all network state changes, including changes to
// active (connecting or connected) services.
class CHROMEOS_EXPORT NetworkStateHandlerObserver {
public:
NetworkStateHandlerObserver();
virtual ~NetworkStateHandlerObserver();
// The list of networks changed.
virtual void NetworkListChanged();
// The list of devices changed, or a property changed (e.g. scanning).
virtual void DeviceListChanged();
// The default network changed (includes VPNs) or one of its properties
// changed. This won't be called if the WiFi signal strength property
// changes. If interested in those events, use NetworkPropertiesUpdated()
// below.
// |network| will be NULL if there is no longer a default network.
virtual void DefaultNetworkChanged(const NetworkState* network);
// The connection state of |network| changed.
virtual void NetworkConnectionStateChanged(const NetworkState* network);
// One or more properties of |network| have been updated. Note: this will get
// called in *addition* to NetworkConnectionStateChanged() when the
// connection state property changes. Use this to track properties like
// wifi strength.
virtual void NetworkPropertiesUpdated(const NetworkState* network);
// One or more properties of |device| have been updated.
virtual void DevicePropertiesUpdated(const DeviceState* device);
// A scan for |device| completed.
virtual void ScanCompleted(const DeviceState* device);
// Called just before NetworkStateHandler is destroyed so that observers
// can safely stop observing.
virtual void IsShuttingDown();
private:
DISALLOW_COPY_AND_ASSIGN(NetworkStateHandlerObserver);
};
} // namespace chromeos
#endif // CHROMEOS_NETWORK_NETWORK_STATE_HANDLER_OBSERVER_H_
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